Happy New Music Friday! The weekend is here, which means more streaming, new playlists and the best that music has to offer — and ET has you covered for everything in between. The wait is over — BTS has released their highly anticipated fifth album, ARIRANG. After approximately three years and nine months, the band is back with a new album and tour. Their new album reflects the culmination of their journey to date and defines the group on their own terms. The album has 14 tracks and was driven by each members’ honest introspection. The lead single, “SWIM,” centers on the resolve to keep moving forward through life’s waves and Lili Reinhart stars in the music video that was filmed on an actual ship in Lisbon. BTS will kick off their world tour on April 25. The band sat down with Apple Music’s Zane Lowe and shared how it felt natural to come back together as a group and how proud they are of where they came from and supporting each other.  The first performers …